Shoe strap



FIG. 1 is a side elevational view of a shoe strap showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view from the side opposite that of FIG. 1 thereof;

FIG. 4 is a rear elevational view; and,

FIG. 5 is a front elevational view;

The broken line showing of a shoe and numerals is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a shoe strap, as shown and described. 